Re: Concurrent network transmission
Re: Concurrent network transmission
- Subject: Re: Concurrent network transmission
- From: "Shawn Erickson" <email@hidden>
- Date: Thu, 17 Jul 2008 10:14:30 -0700
On Thu, Jul 17, 2008 at 9:53 AM, Jens Alfke <email@hidden> wrote:
>
> On 17 Jul '08, at 6:13 AM, em wrote:
>
>> So, architecturally, for high speed transmission over a closed network
>> neighborhood of say 9 minis, isn't there something
>> like a "SuperSocket" that could co-ordinate these now '3' streams of info.
>
> There's nothing "super" about it; just regular sockets. OS X supports
> multihoming, so a single computer can have multiple network interfaces, each
> with its own IP address.
I think he is talking about link fusing or link aggregation... (don't
think you can aggregate ethernet and firewire given difference between
the two).
http://en.wikipedia.org/wiki/Link_Aggregation_Control_Protocol
----
Combining Ethernet ports
If you have a computer with more than one Ethernet port, you can
combine them into one virtual Ethernet port. This is known as "link
aggregation." The combined Ethernet ports appear as a single IP
address to your computer and applications.
Combining ports provides increased bandwidth by merging the bandwidth
of the individual ports. The network traffic is also balanced across
the ports.
In addition to balancing network traffic, combining ports provides
automatic backup if one port or cable fails. All traffic that was
routed over the failed port is rerouted to one of the remaining ports.
This backup is automatic, and applications using the port continue
without interruption.
If the Ethernet ports you want to combine are on a PCI card installed
in your computer, make sure the card is installed properly before
combining the ports. See the documentation that came with the PCI card
for instructions about installing it.
To combine Ethernet ports:
Choose Apple > System Preferences, and then click Network.
Choose Manage Virtual Interfaces from the Actions pop-up menu (looks
like a gear) at the bottom of the network connection services list.
Click Add (+) and choose New Link Aggregate.
Select the Ethernet ports you want to combine, give the aggregate
service a name, and then click Create.
Click Apply Now to activate the new virtual Ethernet service.
After the Ethernet ports have been linked, you can check the status of
the link by looking at the icon in the network connection service
list. For more detailed information about the aggregated link status,
click one of the ports in the list.
Mac OS X uses the Link Aggregation Control Protocol (LACP) to
negotiate the link aggregation. LACP must be supported on all link
aggregation devices involved.
----
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